Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ke5 win in 3 half-moves
2 Ked5 win in 3 half-moves
3 Kf5 win in 3 half-moves
4 Rc7 win in 3 half-moves
5 Rc8 win in 5 half-moves
6 Kc4 draw
7 Kd7 draw
8 Ke7 draw
9 Ked6 draw
10 Kf6 draw
11 Kf7 draw
12 Kb4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kcd5 loss in 2 half-moves
16 Kcd6 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rd6 loss in 2 half-moves